@echo off
echo start new command N1
start "N1" hello
goto end
echo %1
echo %2
shift
echo %0
echo %1
goto end
if "%1"=="" echo no param 
if "%1"=="" goto end
if %1==start goto start
if %1==stop goto stop
goto invaild
:start
@echo start
goto end
:stop
@echo stop
goto end
:invaild
@echo invaild
:end
